CELLS Flashcards

1
Q

Movement of material into cells by formation of vesicle

A

Endocytosis

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2
Q

Secretion of material from cell by vesicle

A

Exocytosis

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3
Q

Basic living unit of life

A

Cell

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4
Q

Study of cells

A

Cytology

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5
Q

Study of cellular function

A

Cell Physiology

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6
Q

Specialized structures

A

Organelles

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7
Q

Surrounds nucleus

A

Cell Membrane

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8
Q

Arrangement of cells in the cell membrane

A

Fluid-Mosaic Model

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9
Q

Allows substances to pass in or out of the cells

A

Selectively permeable

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10
Q

Diffusion of water across a selectively permeable membrane

A

Osmosis

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11
Q

Lower Concentration

A

Hypotonic

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12
Q

Higher concentration

A

Hypertonic

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13
Q

Same concentration

A

Isotonic

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14
Q

Movement of a solute from an area

A

Diffusion

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15
Q

Concentration of solute

A

Concentration Gradient

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16
Q

Moves substances from a higher to lower concentration

A

Facilitated diffusion

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17
Q

Movement of a substance across a membrane by means a carrier of molecule

A

Carrier-Mediated Transport

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18
Q

Does not require the cell to expand energy

A

Passive Membrane Transport

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19
Q

Does recquire the cell to expand energy

A

Active Membrane Transport

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20
Q

Moves substances from lower to higher concentration; requires atp

A

Active Transportation

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21
Q

Uses the energy of one substance moving down its concentration

A

Secondary Active Transport

22
Q

Cell eating

A

Phagocytosis

23
Q

Cell-drinking

A

Pinocytosis

24
Q

Cell’s Framework

A

Cytoskeleton

25
Q

Types of Cytoskeleton

A

Microtubules
Intermediate filament
Microfilament

26
Q

Provide structural support ; Assist in cell division

A

Microtubules

27
Q

Medium diameter;maintains cell shape

A

Intermediate filament

28
Q

Smallest diameter; determine cell shape

A

Microfilaments

29
Q

Nucleotide Pairs

A

Cytosine - Guanine
Thymine - Adenine

30
Q

The process in which the information in DNA directs protein synthesis

A

Gene Expression

31
Q

Process in which DNA is read

A

Transcription

32
Q

Process by mRNA is converted into amino acids (polypeptides)

A

Translation

33
Q

Series of events that produce new cells for growth and tissue repair

A

Cell Cycle

34
Q

Two phases of cell cycle

A

Interphase
Cell division

35
Q

The non-dividing phase in which the DNA replicates

A

Interphase

36
Q

Formation of two daughter cells from a single parent

A

Cell Division

37
Q

The cell contains how many chromosomes?

A

46

38
Q

Divided into four phases

A

Mitosis

39
Q

Four stages of Mitosis

A

Prophase
Metaphate
Anaphase
Telophase

40
Q

Each chromosomes consists of two chromatids joined at centromere

A

Prophase

41
Q

Chromosomes align

A

Metaphase

42
Q

Chromatids separate

A

Anaphase

43
Q

Two separate nuclei; cell division is completed

A

Telophase

44
Q

Called the “sex cells”

A

Meiosis

45
Q

XX

A

Female

46
Q

XY

A

Male

47
Q

Cells develop specialized structures and functions

A

Differentiation

48
Q

Programmed cell death ;regulates cells within cell tissues

A

Apoptosis

49
Q

Sequence of nucleotides

A

Genes

50
Q

Meaning of mRNA

A

Messenger RNA

51
Q

Meaning of TRNA

A

Translation RNA